Mc Nabb, IL Radon Levels

Q: What EPA Radon Zone is Mc Nabb in?

Mc Nabb is in Putnam County, EPA Zone 1.

Q: How much does radon mitigation cost in Mc Nabb?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Mc Nabb radon levels and find certified testing and mitigation professionals to keep your home safe

Mc Nabb, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Putnam County, IL

Zip Code 61335

Located in Putnam County along the Illinois River valley, Mc Nabb sits where alluvial soils combine with underlying Ordovician limestone to create variable radon conditions. The area's EPA Zone 1 designation reflects high radon potential that can differ significantly from property to property in zip code 61335. With limited local testing data available, residents should prioritize radon testing given the geological risk factors.

9.31

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 9.31 pCi/L, based on 13 tests from 10 nearby cities. No readings have been submitted for Mc Nabb yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Mc Nabb, IL Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon Readings Near Mc Nabb, IL

No homeowner tests have been submitted for Mc Nabb yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Varna	9.8 mi	20.00 pCi/L	1
Spring Valley	10.7 mi	2.00 pCi/L	1
Peru	12.0 mi	6.50 pCi/L	2
Princeton	17.0 mi	11.50 pCi/L	2
Streator	20.5 mi	7.00 pCi/L	1
Ancona	20.5 mi	20.00 pCi/L	1
Metamora	29.0 mi	7.50 pCi/L	2
Marseilles	29.3 mi	9.00 pCi/L	1

Putnam County Radon Profile

Because of its underlying geology, Putnam County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Direct test data for Putnam County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Putnam County home regardless of zone or a neighbor's results.

Radon FAQ for Mc Nabb, IL

What EPA Radon Zone is Mc Nabb in?

Mc Nabb and the 61335 zip code are in Putnam County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Mc Nabb?

No homeowner radon tests have been submitted for Mc Nabb yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Putnam County average—are the best available indicator of local conditions until Mc Nabb homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Mc Nabb?

Radon mitigation in Mc Nabb typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Mc Nabb?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.